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NEETREVISIONSERIES
IUPACNOMENCLATURE
ReviseMostImportantQuestionstoCrackNEET2020
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Q-1-19382527
SOLUTION:
3-chloro-2-butanone
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Q-2-19382528
SOLUTION:
CH3 −
Cl
∣CH −
O
∣ ∣C − CH3
CH3 − CH∣
OH
− CH2Cl
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1-chloro-2-propanol
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Q-3-19382529
SOLUTION:
2-bromobutanoicacid
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Q-4-19382530
SOLUTION:
3-methoxybutanal
CH3CH2 −
Br
∣CHCOOH
CH3 −
OCH3∣
CH − CH2 − CHO
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Q-5-19382531
SOLUTION:
1,3-pentadiene
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Q-6-19382533
SOLUTION:
1,4-butanediol
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CH3 − CH = CH − CH= CH2
CH2− OHCH2CH2CH2OH
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Q-7-19382540
SOLUTION:
5-hexen-2-one
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Q-8-19382542
SOLUTION:
2-butenal
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Q-9-19382544
CH2 = CHCH2CH2 C∣ ∣O
CH3
CH3CH = CHCHO
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SOLUTION:
Propenoicacid
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Q-10-19382545
SOLUTION:
2,2,2-tricholoroethanoicacid
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Q-11-19382550
CH2 = CHCOOH
Cl −
Cl
∣C∣Cl
− COOH
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SOLUTION:
4-penten-2-ol
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Q-12-19382553
SOLUTION:
4-penten-2-yn-1-ol
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Q-13-19382558
CH3 ∣
CH2 = CHCH2 − CHOH
CH2 = CH − C ≡ C− CH2OH
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SOLUTION:
2-methyl-2-,4-pentanediol
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Q-14-19382559
SOLUTION:
4-hydroxy-2-methylpentanal
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Q-15-19382561
CH3CHOHCH2 −
CH3∣C∣
CH3
− OH
CH3 − C∣
OH
H − CH2 − C∣
CH3
H
− CHO
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SOLUTION:
5-methyl-3-hexenoicacid
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Q-16-19382563
SOLUTION:
2-pentenoicacid
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Q-17-19382567
CH3 − CH∣
CH3
− CH = CH
− CH2 −
O
∣ ∣C − OH
CH3CH2CH = CHCOOH
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SOLUTION:
4-bromo-2-ethylcyclopentanone
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Q-18-19382568
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SOLUTION:
6-bromo-2-oxocychexanecarboldehyde
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Q-19-19382569
https://doubtnut.app.link/TRSRQS6gY2https://doubtnut.app.link/9pyIfU6gY2
SOLUTION:
3-cyclohexene-1,2-dicarboxylicacid
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Q-20-19382578
SOLUTION:
Butenedioicacid
HOOC − CH = CH− COOH
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Q-21-19382582
SOLUTION:
1-choro-1-propene
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Q-22-19382591
SOLUTION:
4-oxobutanoicacidor3-formylpropanoicacid
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CH3CH = CHCl
OH4 'C −
3 'CH2 −
2 'CH2 −
O
∣ ∣1 ' C
− OH
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Q-23-19382594
SOLUTION:
2-amino-3-hydroxy-4-oxopentanoicacid
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Q-24-19382600
https://doubtnut.app.link/gWzxH16gY2https://doubtnut.app.link/DV3ly46gY2
SOLUTION:
1-chloro-2,4-dimethylcyclohexane
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Q-25-19382601
https://doubtnut.app.link/DV3ly46gY2https://doubtnut.app.link/IFkNn76gY2
SOLUTION:
2-chlorocyclopentanol
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Q-26-19382627
CH3 − CH = C∣
CH3
− CH3
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SOLUTION:
2-methyl1-2-butene
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Q-27-19382632
SOLUTION:
Ethanoylchloride
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Q-28-19382633
SOLUTION:
CH3 − C∣ ∣O
− Cl
CH ≡ C − CH2 − CH2− CH2OH
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4-pentyn-1-pentanol
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Q-29-19382635
SOLUTION:
2,3-dimethyl1-2-butene
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Q-30-19382637
SOLUTION:
2,3-pentanedione
CH3 − C = C − CH3 | |
H3C CH3
CH3 − CO − CO− CH2CH3
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Q-31-19382640
SOLUTION:
3-chloropropanal
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Q-32-19382642
SOLUTION:
1,5-heptadien-3-yne
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CH2Cl − CH2 − CHO
CH2 = CH − C ≡ C − CH= CH − CH3
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Q-33-19382647
`
SOLUTION:
4-methyl-3-penten-1-ol
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Q-34-19380474
CH3 = C∣Cl
= CH − CH2
− CH2OH
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(A)1-Ethoxy-2,2-dimethylcyclohexane
(B)2-ethoxy-1,-1dimethylcyclohexane
(C)1,1-Dimethyl-2-ethoxycylohexane
(D)2-methyl-1-,1-ethoxylcyclohexane
CORRECTANSWER:B
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Q-35-19380476
Which IUPAC name is correct for the given compound?
(A)3,7-dimethylocta-2,6-dienal
(B)2,6-dimethyloct-2,6-dienal-8
(C)7-formyl-2,-6-dimethylhept-2,6-diene
(D)7-aldo-2,6-dimethylhept-2,6-diene
CORRECTANSWER:A
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Q-36-19380480
https://doubtnut.app.link/aKT2Ws7gY2https://doubtnut.app.link/KJ0Clu7gY2
(A)1-Bromo-2-chloro-3-fluoro-6-iodo-benzene
(B)2-Bromo-1-chloro-5-fluoro-3-iodobenzene
(C)4-Bromo-2-chloro-5-iodo-1-fluorobenzene
(D)2-Bromo-3-chloro-1-iodo-5-fluorobenzene
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CORRECTANSWER:B
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Q-37-19380481
The IUPAC name of
is:
(A)Methyl2-ethylbutanoate
(B)1-methoxy-2-ethylbutanone
(C)3-Methyoxycarbonylpentane
(D)1-methoxy-2-ethylbutanal
CORRECTANSWER:A
CH3 − CH2 − CH∣
C2H5
−
O
∣ ∣C
− OCH3
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Q-38-19380489
The IUPAC name of
is:
(A)3-Iodo-4,5,5-trimethylhexane
(B)4-Iodo-1,1,3-trimethylhexane
(C)4-Iodo-2,2-dimethylheptane
(D)4-Iodo-2,2,3-trimethylhexane
CORRECTANSWER:D
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CH3 −
CH3∣C∣
CH3
− CH∣
CH3
− CH∣I
− CH2 − CH3
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Q-39-19380494
(A)Ethanoicpropanoicanhydride
(B)Propanoicethanoicanhydride
(C)1-Ethanoyloxypropanone
(D)3-Ethanoyloxypropane-3-one
CORRECTANSWER:A
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Q-40-19380503
https://doubtnut.app.link/8kDwuA7gY2https://doubtnut.app.link/2OYwWB7gY2
The IUPAC name of is :
(A)Tris(chloromethyl)methane
(B)1,3-Dichloro-2(chloromethyl)propane
(C)1-Chlorobis(chloromethyl)ethane
(D)noneofthese
CORRECTANSWER:B
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Q-41-19380515
The IUPAC name of is:
CH2∣
CI
−
CH2CI∣
CH − CH2∣
CI
CH3 − C∣
= CH − CH2
−
O
∣ ∣C∣
COOC2H5 OH
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(A)4-ethoxycarbonylpent-3-enoicacid
(B)4-ethanoyloxpent-3-enoicacid
(C)3-ethoxycarbonylbut-2-enecarboxylicacid
(D)3-ethoxycarbonylpent-3-enoicacid
CORRECTANSWER:A
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Q-42-19380518
The IUPAC name of is:
(A)2-(Bromomethyl)-3-oxopentanecarboxamide
(B)1-Bromo-2-carbamoylpentan-3-one
(C)5-Bromo-4-carbamoylpentan-3-one
C∣
H2 − CH∣
−
O
∣ ∣C − CH2
− CH3Br CONH2
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(D)2-(Bromomethyl)-3-oxopentanamide
CORRECTANSWER:D
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Q-43-19380523
The IUPAC name of
is:
(A)3-Bromo-4-chloropentan-2-ol
(B)3-Bromo-2-chloro-4-hydroxypentane
(C)3-Bromo-2-chloropentane-4-ol
(D)noneofthese
CORRECTANSWER:A
CH3 − CH∣
CI
− CH∣
Br
− CH∣
OH
− CH3
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Q-44-19380528
(A)N-N-Dimethylaminobenzene
(B)N,N-Dimethylbenzenamine
(C)(a)and(b)botharecorrect
(D)noneofthese
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CORRECTANSWER:B
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Q-45-19380531
(A)2-Phenylethanone
(B)1-Phenylethanone
(C)1-(Oxoethyl)benzene
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(D)1-(Ethyaloxo)-benzene
CORRECTANSWER:B
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Q-46-19380533
(A)2-carboxyphenol
(B)2-Hydroxybenzoicacid
(C)1-Carboxy-2-hydroxybenzene
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(D)2-Carboxy-2-hydroxybenzene
CORRECTANSWER:B
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Q-47-19380535
The IUPAC name is:
(A)3-phenylprop-2-enoicacid
(B)3-phenolprop-1-enoicacid
(C)3-carboxyprop-1-enebenzene
(D)but-2-enoicacid
CORRECTANSWER:A
Ph − CH = CH −
O
∣ ∣C
− OH
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Q-48-19380536
(A)Chloromethylbenzene
(B)Chlorophenylmethane
(C)(a)and(b)both
(D)noneofthese
CORRECTANSWER:B
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Q-49-19380542
The IUPAC name of the following compound is:
(A)4-Bromo-3-cyanophenol
(B)2-Bromo-5-hydroxybenzonitrile
(C)2-Cyano-4-hydroxybromobenzene
(D)6-Bromo-3-hydroxybenzonitrile
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CORRECTANSWER:B
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Q-50-19380547
Correct IUPAC name:
(A)1-methyl-3-ethycyclohexene
(B)5-ethyl-1-methylcyclohexene
(C)2-ethyl-4-methycyclohexene
(D)3-ethyl-1-methylcyclohexene
https://doubtnut.app.link/nWEh3S7gY2https://doubtnut.app.link/MrP7yV7gY2
CORRECTANSWER:B
SOLUTION:
here,numberingisdoneinsuchawaythatdoublebond
getsfirstpriorityalongwithlowestnumbertothelocants.
Thereare2substituentsethylandmethyl
IUPACname:5-ethyl-1-methylcyclohexene
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∵
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Q-51-19380551
CORRECTANSWER:(5E)-2-BROMO-3-
CHLOROHEPT-5-EN-1-OL
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Q-52-19380552
https://doubtnut.app.link/MrP7yV7gY2https://doubtnut.app.link/QjPwhX7gY2https://doubtnut.app.link/0T88q07gY2
CORRECTANSWER:3-BROMO-2-CHLORO-6-
ETHENYCYCLOHEXANOL
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Q-53-19380555
https://doubtnut.app.link/0T88q07gY2https://doubtnut.app.link/yl3EZ17gY2
CORRECTANSWER:3-BROMO-2-CHLORO-5-
METHYLIDENECYCLOHEXANOL
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Q-54-19380564
https://doubtnut.app.link/yl3EZ17gY2https://doubtnut.app.link/AnW9r37gY2
CORRECTANSWER:DODEC-10-EN-4-YNE-3,8-DIOL
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Q-55-19380566
CORRECTANSWER:4-BROMO-2-CHLOROOCT-6-
https://doubtnut.app.link/AnW9r37gY2https://doubtnut.app.link/nl1cX57gY2
ENE-3,5-DIOL
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Q-56-19380569
CORRECTANSWER:CYCLOHEXANE-1,3,5-TRIOL
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Q-57-19380572
https://doubtnut.app.link/nl1cX57gY2https://doubtnut.app.link/Inybn77gY2https://doubtnut.app.link/32xIU97gY2
CORRECTANSWER:(6E)-OCT-6-EN-1-YNE
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Q-58-19380574
https://doubtnut.app.link/32xIU97gY2https://doubtnut.app.link/p7wWpc8gY2
CORRECTANSWER:(3Z)-PENT-3-EN-1-YNE
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Q-59-19380578
CORRECTANSWER:(6Z)-DODEC-6-EN-2-YNE
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Q-60-19380580
https://doubtnut.app.link/p7wWpc8gY2https://doubtnut.app.link/8mhYUe8gY2https://doubtnut.app.link/xyDrCh8gY2
CORRECTANSWER:4-ETHYNYL-1-
METHYLCYCLOHEXENE
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